Compression Test #'s to CR?
08-31-2002, 01:20 PM
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Compression Test #'s to CR?
I just bought a compression tester and got these numbers:
#1 270
#2 265
#3 270
#4 272
This was with a warm engine, WOT & fuel pump disabled. When I bought the car I was told that the CR was 11.1:1 but have had no way to verify it. The motor has about 24k miles since build and is a B18C1 bottom end from a '96 GS-R with B16A pistons & new OEM rings, a B16A head with CTR cams, Portflow inner & ITR outer springs, OEM head gasket. The question is: Can the ACTUAL compression ratio be calculated from these compression numbers? Anybody got a GUESS?
#1 270
#2 265
#3 270
#4 272
This was with a warm engine, WOT & fuel pump disabled. When I bought the car I was told that the CR was 11.1:1 but have had no way to verify it. The motor has about 24k miles since build and is a B18C1 bottom end from a '96 GS-R with B16A pistons & new OEM rings, a B16A head with CTR cams, Portflow inner & ITR outer springs, OEM head gasket. The question is: Can the ACTUAL compression ratio be calculated from these compression numbers? Anybody got a GUESS?
08-31-2002, 03:47 PM
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Originally posted by Kevin
those are some really high numbers...
i do not know how to calculate the compression ratio....but also interested to learn...
bump
those are some really high numbers...
i do not know how to calculate the compression ratio....but also interested to learn...
bump
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